From 55a6a4d3ef7d6a7d57428afd94c29b9dd827eb75 Mon Sep 17 00:00:00 2001
From: potassium <arsenijser19@gmail.com>
Date: Fri, 16 Jan 2026 01:13:53 +0300
Subject: [PATCH] MatchElemAttr func implementation

---
 match.go        | 38 ++++++++++++++++++++++++++++++++++++++
 match_test.go   | 26 ++++++++++++++++++++++++++
 scraper_test.go |  6 +++---
 3 files changed, 67 insertions(+), 3 deletions(-)
 create mode 100644 match.go
 create mode 100644 match_test.go

diff --git a/match.go b/match.go
new file mode 100644
index 0000000..bc570bb
--- /dev/null
+++ b/match.go
@@ -0,0 +1,38 @@
+package scraper
+
+import (
+	"errors"
+	"slices"
+	"strings"
+
+	"golang.org/x/net/html"
+	"golang.org/x/net/html/atom"
+)
+
+var body = &html.Node{
+	Type:     html.ElementNode,
+	Data:     "body",
+	DataAtom: atom.Body,
+}
+
+var ErrNotAnElementNode = errors.New("not an ElementNode")
+
+func MatchElemAttr(s string, n2 *html.Node) (bool, error) {
+	r := strings.NewReader(s)
+	n, err := html.ParseFragment(r, body)
+	if err != nil {
+		return false, err
+	}
+	n1 := n[0]
+
+	if !(n1.Type == html.ElementNode &&
+		n2.Type == html.ElementNode) {
+		return false, ErrNotAnElementNode
+	}
+
+	if n1.Data == n2.Data &&
+		slices.Equal(n1.Attr, n2.Attr) {
+		return true, nil
+	}
+	return false, nil
+}
diff --git a/match_test.go b/match_test.go
new file mode 100644
index 0000000..1e1111b
--- /dev/null
+++ b/match_test.go
@@ -0,0 +1,26 @@
+package scraper
+
+import (
+	"strings"
+	"testing"
+
+	"golang.org/x/net/html"
+)
+
+const fragment = `<div id="main-copy"></div>`
+
+func TestMatchElemAttr(t *testing.T) {
+	n, err := html.ParseFragment(strings.NewReader(fragment), body)
+	if err != nil {
+		t.Error(err)
+	}
+	n1 := n[0]
+
+	result, err := MatchElemAttr(fragment, n1)
+	if err != nil {
+		t.Error(err)
+	}
+	if !result {
+		t.Fail()
+	}
+}
diff --git a/scraper_test.go b/scraper_test.go
index 20f27c1..63c408b 100644
--- a/scraper_test.go
+++ b/scraper_test.go
@@ -15,7 +15,7 @@ func TestSearchElem(t *testing.T) {
 		html.Parse(strings.NewReader(htmlStr)),
 	)
 
-	ch := searchElem(doc, "span")
+	ch := SearchElem(doc, "span")
 	count := 0
 	for range ch {
 		count++
@@ -31,7 +31,7 @@ func TestSearchAttr(t *testing.T) {
 		html.Parse(strings.NewReader(htmlStr)),
 	)
 
-	ch := searchAttr(doc, "id", "test")
+	ch := SearchAttr(doc, "id", "test")
 	count := 0
 	for range ch {
 		count++
@@ -47,7 +47,7 @@ func TestSearchElemAttr(t *testing.T) {
 		html.Parse(strings.NewReader(htmlStr)),
 	)
 
-	ch := searchElemAttr(doc, "span", "id", "test")
+	ch := SearchElemAttr(doc, "span", "id", "test")
 	count := 0
 	for range ch {
 		count++